Abstract: The present disclosure relates to a book search method, apparatus, device and storage medium. In the method, target search content is received. A plurality of recommended book categories associated with the target search content and book information corresponding to respective recommended book categories are obtained. A book aggregation card is generated based on the respective recommended book categories and the book information, and the book aggregation card is displayed on a search result page. According to the embodiments of the present disclosure, the user can directly view, on the search result page, the plurality of recommended book categories associated with the target search content and the book information under each recommended book category. Therefore, the user search cost is reduced, the book search flow is simplified, and the book search efficiency is improved.

Abstract: This Utility Model Invention discloses a lifting mechanism for players, including the main body frame and the player installed on the main body frame. The bottom of the said player is fixed on the connection dock, while the connection dock is connected with a worm coupling support. Inside the main body frame is installed the worm shaft, and the worm coupling frame is coupled with the worm shaft. At the bottom of the said main body frame is installed the gearbox base, and in the gearbox base is installed gear cluster and motor. The bottom end of the worm shaft is connected to the motor via the said gear cluster. This utility model features the maximum protection of the player from being damaged as well as keeping integrity and good appearance of the whole product.